package common import ( "golang.org/x/net/idna" "strings" C "github.com/Dreamacro/clash/constant" ) type DomainKeyword struct { *Base keyword string adapter string rawKeyword string } func (dk *DomainKeyword) RuleType() C.RuleType { return C.DomainKeyword } func (dk *DomainKeyword) Match(metadata *C.Metadata) bool { if metadata.AddrType != C.AtypDomainName { return false } domain := metadata.Host return strings.Contains(domain, dk.keyword) } func (dk *DomainKeyword) Adapter() string { return dk.adapter } func (dk *DomainKeyword) Payload() string { return dk.rawKeyword } func NewDomainKeyword(keyword string, adapter string) *DomainKeyword { actualDomainKeyword, _ := idna.ToASCII(keyword) return &DomainKeyword{ Base: &Base{}, keyword: strings.ToLower(actualDomainKeyword), adapter: adapter, rawKeyword: keyword, } } var _ C.Rule = (*DomainKeyword)(nil)